Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/55-19 | 290/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.91 (785.1) | 33.7 (856) | 2.79 (70.9) 9% |
| Width inches (mm) | 10.83 (275) | 11.42 (290) | 0.59 (15) 5.5% |
| Circum. inches (mm) | 97.1 (2466.46) | 105.87 (2689.2) | 8.77 (222.74) 9% |
| Sidewall Height inches (mm) | 5.95 (151.25) | 6.85 (174) | 0.9 (22.75) 15% |
| Revolutions per mile (km) | 652.49 (405.44) | 598.45 (371.86) | -54.04 (-33.58) -8.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.81 mph (35.09 km/h) |
| 25 mph (40.23 km/h) | 27.26 mph (43.87 km/h) |
| 30 mph (48.28 km/h) | 32.71 mph (52.64 km/h) |
| 35 mph (56.33 km/h) | 38.16 mph (61.41 km/h) |
| 40 mph (64.37 km/h) | 43.61 mph (70.19 km/h) |
| 45 mph (72.42 km/h) | 49.06 mph (78.96 km/h) |
| 50 mph (80.47 km/h) | 54.52 mph (87.73 km/h) |
| 55 mph (88.51 km/h) | 59.97 mph (96.51 km/h) |
| 60 mph (96.56 km/h) | 65.42 mph (105.28 km/h) |
| 65 mph (104.61 km/h) | 70.87 mph (114.05 km/h) |
| 70 mph (112.65 km/h) | 76.32 mph (122.83 km/h) |
| 75 mph (120.7 km/h) | 81.77 mph (131.6 km/h) |
| 80 mph (128.75 km/h) | 87.22 mph (140.37 km/h) |
| 85 mph (136.79 km/h) | 92.68 mph (149.15 km/h) |
| 90 mph (144.84 km/h) | 98.13 mph (157.92 km/h) |
| 95 mph (152.89 km/h) | 103.58 mph (166.69 km/h) |
| 100 mph (160.93 km/h) | 109.03 mph (175.47 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1523 | 1769 | 1905 | 1990 | 2080 | 2145 | 2216 | 2301 | 2417 | 2534 | 2664 | 2767 | 2955 | 3163 | 3325 | 3428 | 3487 | 3700 | 3999 | 4647 |
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